List portfolio fee rates

PortfoliosService portfoliosService = IntxServiceFactory.createPortfoliosService(client);
ListPortfolioFeeRatesResponse response = portfoliosService.listPortfolioFeeRates();

var portfoliosService = new PortfoliosService(client);
var response = portfoliosService.ListPortfolioFeeRates();

client = IntxClient()
request = ListPortfolioFeeRatesRequest()
response = client.list_portfolio_fee_rates(request)

const portfoliosService = new PortfoliosService(client);

portfoliosService.listPortfolioFeeRates().then(async (response) => {
    console.log('Portfolio Fee Rates: ', response);
})